#ifndef _HWT_H_
#define _HWT_H_

//integer Haar wavelet transform over bitmap data
void hwt_bitmap(
	  int **,
	  unsigned char **,
	  unsigned char **,
	  unsigned int,
	  unsigned int
	  );

//inverse integer Haar wavelet transform over bitmap data
void ihwt_bitmap(
		 unsigned char **,
		 int **,
		 unsigned char **,
		 unsigned int,
		 unsigned int
		 );

#endif
